Louisa County's estimated 2026 population is 10,810 with a growth rate of 0.84% in the past year according to the most recent United States census data. Louisa County is the 67th largest county in Iowa. The 2010 population was 11,382 and has seen a growth of -5.03% since that time.
Data after 2023 is projected based on recent change
The racial composition of Louisa County includes 82.49% White, 8.4% other race, and smaller percentages for Asian, Black or African American, Native American and multiracial populations.
White (82.49%)
Other race (8.4%)
Two or more races (6.36%)
Asian (1.89%)
Black or African American (0.63%)
Native American (0.23%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 8,835 | 82.49% |
| Other race | 900 | 8.4% |
| Two or more races | 681 | 6.36% |
| Asian | 202 | 1.89% |
| Black or African American | 67 | 0.63% |
| Native American | 25 | 0.23% |
Married
Widowed
Divorced
Separated
Never Married
Louisa County's average per capita income is $48,388. Household income levels show a median of $80,223. The poverty rate stands at 9.87%.
Name | Median | Mean |
|---|---|---|
| Married Families | $94,508 | - |
| Families | $88,974 | $106,707 |
| Households | $80,223 | $95,468 |
| Non Families | $41,361 | $53,896 |
Average Income
Median Household Income
Poverty Rate
